[SAC] [OSGeo] #3011: Write recommendation for mailing list configuration regarding DKIM/DMARC/SPF

[OSGeo]

#3011: Write recommendation for mailing list configuration regarding
DKIM/DMARC/SPF
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 Reporter:  strk              |       Owner:  sac@…
     Type:  task              |      Status:  new
 Priority:  normal            |   Milestone:  Unplanned
Component:  SysAdmin/Mailman  |  Resolution:
 Keywords:  dkim, spf, dmarc  |
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Comment (by lnicola):

 Having tested on postgis-tickets, it seems that disabling the addition of
 the Sender header is enough to keep DKIM signatures valid.
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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/3011#comment:20>
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